Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870144 | Process for producing an isobutylene polymer having functional terminal end groups | Kouji Noda, Masayoshi Imanaka | 1989-09-26 |
| 4837401 | Curable polymer composition comprising organic polymer having silicon-contaiing reactive group | Toshifumi Hirose, Sadao Yukimoto | 1989-06-06 |